2,4,6-Trifluorobenzaldehyde

그림문자(GHS)

• 그림문자(GHS)

  

• 신호 어

  Warning

• 유해·위험 문구

  H315：피부에 자극을 일으킴

  H319：눈에 심한 자극을 일으킴

  H335：호흡 자극성을 일으킬 수 있음

• 예방조치문구

  P305+P351+P338：눈에 묻으면 몇 분간 물로 조심해서 씻으시오. 가능하면 콘택트렌즈를 제거하시오. 계속 씻으시오.

2,4,6-Trifluorobenzaldehyde 화학적 특성, 용도, 생산

• 화학적 성질

  White flakes

• Synthesis

  2000ml four mouth -bottle into tetrahydrofuran 500g, 1,3,5-trifluorobenzene 132g, cooled to -60 ° C, in -60 ~ -90°C,, dropwise; 2. 5N 500ml Butyl lithium, drop about I.5h, add heat insulation 2h, system drops add 80g N, N-dimethylformamide, and 100 g of a tetrahydrofuran solution, control temperature below -60 °C, Then add heat insulation 3h, and heating insulation, heating up to -30 °C, and set aside. Another 3000ml four-mouth bottle into 650g water, 226g 30 % hydrochloric acid, 190g sodium chloride, stirring, then add dropwise at 20 ° C above-mentioned -temperature reaction solution adding completed, insulation 0 5h, layered, Water layer with 200g methyl tert butyl ether extraction Combined organic layer, steaming solvent 2,4,6-Trifluorobenzaldehyde 145 g.

2,4,6-Trifluorobenzaldehyde 준비 용품 및 원자재

2,4,6-Trifluorobenzaldehyde 공급 업체

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